# if 3 > 0:
#     print('yes')
#     print('ok')

# if 3 > 10:
#     print('111')
# else:
#     print('222')

# if 0.0:
#     print('任何值为0的数字都是假')
#
# if 'abc':
#     print('非空字符串为真')
#
# if ' ':
#     print('空格字符也是一个字符，为真')
#
# if '':
#     print('空字符串为假')
#
# if []:
#     print('空列表为假')
#
# if (1, 2):
#     print('非空元组为真')
#
# if {}:
#     print('空字典，为假')

# a = 10
# b = 20
# if a < b:
#     s = a
# else:
#     s = b
# print(s)

# a = 10
# b = 20
# s = a if a < b else b
# print(s)
